Insights

Strong Patent Focus HFZ specializes in United States and foreign patent prosecution and counseling, serving numerous Fortune 500 technology companies, indicating a concentrated expertise in high-value patent services, which can be leveraged to target large technology clients seeking advanced IP protection.

Growing Patent Portfolio The firm's recent partnership with Nielsen, aimed at significantly increasing patent filings, demonstrates a strategic growth trajectory and increased patenting activity, creating opportunities for scalable patent-related legal services.

Boutique yet Respected As a boutique firm with a highly experienced team comprised of engineers turned patent attorneys, HFZ offers specialized knowledge that appeals to technology innovators and firms seeking expert IP counsel.

Competitive Positioning Compared to larger firms like Knobbe Martens and Oblon, HFZ's tailored services and industry-specific expertise position it well to attract mid-sized to large technology clients looking for personalized patent legal solutions.

Technology & Engagement Utilizing advanced tech tools such as Microsoft 365 and Adobe Creative Suite alongside a modern online presence indicates HFZ’s focus on efficient, tech-savvy legal services, which can be emphasized in outreach to technology firms valuing digital innovation.

Similar companies to Hanley, Flight & Zimmerman, LLC

Hanley, Flight & Zimmerman, LLC Tech Stack

Hanley, Flight & Zimmerman, LLC uses 8 technology products and services including RSS, Open Graph, oEmbed, and more. Explore Hanley, Flight & Zimmerman, LLC's tech stack below.

RSS
Content Management System
Open Graph
Content Management System
oEmbed
Dev Tools
Microsoft 365
Email
Twemoji
Font Scripts
Microsoft
Miscellaneous
WP Engine
Platform As A Service
Adobe Creative Suite
Visualisation Software

Media & News

Hanley Flight & Zimmerman LLC partners with The Nielsen Company.
“HFZ has partnered with Nielsen to help Working with engineers and in house co advance from a few patent filings a year to one of the top patenting entities in the world.
May 20, 2021 | hfzlaw.com

Hanley, Flight & Zimmerman, LLC's Email Address Formats

Hanley, Flight & Zimmerman, LLC uses at least 1 format(s):

Hanley, Flight & Zimmerman, LLC Email Formats	Example	Percentage
FLast@hfzlaw.com	JDoe@hfzlaw.com	78%
Last@hfzlaw.com	Doe@hfzlaw.com	11%
Last.First@hfzlaw.com	Doe.John@hfzlaw.com	9%
LFirst@hfzlaw.com	DJohn@hfzlaw.com	2%

Frequently Asked Questions

Where is Hanley, Flight & Zimmerman, LLC's headquarters located?

Hanley, Flight & Zimmerman, LLC's main headquarters is located at 10 South Wacker Drive Suite 3500 Chicago, Illinois 60606 United States. The company has employees across 1 continents, including North America.

What is Hanley, Flight & Zimmerman, LLC's phone number?

You can contact Hanley, Flight & Zimmerman, LLC's main corporate office by phone at

+1-312-580-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Hanley, Flight & Zimmerman, LLC's official website and social media links?

Hanley, Flight & Zimmerman, LLC's official website is hfzlaw.com and has social profiles on LinkedIn.

How much revenue does Hanley, Flight & Zimmerman, LLC generate?

As of February 2026, Hanley, Flight & Zimmerman, LLC's annual revenue is estimated to be $109K.

What is Hanley, Flight & Zimmerman, LLC's SIC code NAICS code?

Hanley, Flight & Zimmerman, LLC's SIC code is 8111 - Legal Services NAICS code is 54111 - Offices of Lawyers.

How many employees does Hanley, Flight & Zimmerman, LLC have currently?

As of February 2026, Hanley, Flight & Zimmerman, LLC has approximately 43 employees across 1 continents, including North America. Key team members include Information Technology Manager: M. L.IP Legal Assistant: B. P. K.Patent Engineer: C. M.. Explore Hanley, Flight & Zimmerman, LLC's employee directory with LeadIQ.

What industry does Hanley, Flight & Zimmerman, LLC belong to?

Hanley, Flight & Zimmerman, LLC operates in the Law Practice industry.

What technology does Hanley, Flight & Zimmerman, LLC use?

Hanley, Flight & Zimmerman, LLC's tech stack includes RSSOpen GraphoEmbedMicrosoft 365TwemojiMicrosoftWP EngineAdobe Creative Suite.

What is Hanley, Flight & Zimmerman, LLC's email format?

Hanley, Flight & Zimmerman, LLC's email format typically follows the pattern of FLast@hfzlaw.com. Find more Hanley, Flight & Zimmerman, LLC email formats with LeadIQ.

When was Hanley, Flight & Zimmerman, LLC founded?

Hanley, Flight & Zimmerman, LLC was founded in 2002.

Hanley, Flight & Zimmerman, LLC

Q: What technology does Hanley, Flight & Zimmerman, LLC use?

Hanley, Flight & Zimmerman, LLC's tech stack includes Apache, Font Awesome, JSON-LD, Yoast SEO, Gravatar.

Law PracticeIllinois, United States11-50 Employees

HFZ is a boutique IP law firm located in the heart of Chicago, specializing in United States and foreign patent prosecution and counseling.  Our team of patent practitioners includes many individuals having years of industry experience as engineers and inventors prior to becoming patent attorneys.  A combination of significant real world engineering experience and legal experience results in a highly focused and skilled team of practitioners who provide services to numerous Fortune 500 technology companies.

Company Overview

Headquarters: 10 South Wacker Drive Suite 3500 Chicago, Illinois 60606 United States
Phone number: +1-312-580-****
Website: hfzlaw.com
SIC Code: 8111 - Legal Services
NAICS Code: 54111 - Offices of Lawyers
Founded: 2002
Employees: 11-50